7597f4a8fc
. use netbsd sigframe, sigcontext struct . netbsd sigframe *contains* sigcontext; use that directly in kernel sigsend . drop two fields from minix x86 stackframe.h (process context) that were unused, retadr and st use in-sigframe sigcontext Change-Id: Ib59d699596dc3a78163dee59f19730482fdddf11
128 lines
3.5 KiB
C
128 lines
3.5 KiB
C
/* $NetBSD: signal.h,v 1.29 2008/11/19 18:35:59 ad Exp $ */
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/*
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* Copyright (c) 1982, 1986, 1989, 1991 Regents of the University of California.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)signal.h 7.16 (Berkeley) 3/17/91
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*/
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#ifndef _I386_SIGNAL_H_
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#define _I386_SIGNAL_H_
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#include <sys/featuretest.h>
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#ifdef __minix
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#include <machine/fpu.h>
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#endif
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typedef int sig_atomic_t;
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#if defined(_NETBSD_SOURCE)
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/*
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* Get the "code" values
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*/
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#include <machine/trap.h>
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#if defined(_KERNEL) || defined(__minix)
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/*
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* Information pushed on stack when a signal is delivered.
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* This is used by the kernel to restore state following
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* execution of the signal handler. It is also made available
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* to the handler to allow it to restore state properly if
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* a non-standard exit is performed.
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*/
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struct sigcontext13 {
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int sc_gs;
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int sc_fs;
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int sc_es;
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int sc_ds;
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int sc_edi;
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int sc_esi;
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int sc_ebp;
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int sc_ebx;
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int sc_edx;
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int sc_ecx;
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int sc_eax;
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/* XXX */
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int sc_eip;
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int sc_cs;
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int sc_eflags;
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int sc_esp;
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int sc_ss;
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int sc_onstack; /* sigstack state to restore */
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int sc_mask; /* signal mask to restore (old style) */
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int sc_trapno; /* XXX should be above */
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int sc_err;
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};
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struct sigcontext {
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int sc_gs;
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int sc_fs;
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int sc_es;
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int sc_ds;
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int sc_edi;
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int sc_esi;
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int sc_ebp;
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int sc_ebx;
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int sc_edx;
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int sc_ecx;
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int sc_eax;
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/* XXX */
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int sc_eip;
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int sc_cs;
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int sc_eflags;
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int sc_esp;
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int sc_ss;
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int sc_onstack; /* sigstack state to restore */
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int __sc_mask13; /* signal mask to restore (old style) */
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int sc_trapno; /* XXX should be above */
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int sc_err;
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sigset_t sc_mask; /* signal mask to restore (new style) */
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#ifdef __minix
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union fpu_state_u sc_fpu_state;
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int trap_style; /* KTS_* method of entering kernel */
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int sc_flags; /* MF_FPU_INITIALIZED if fpu state valid */
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#define SC_MAGIC 0xc0ffee1
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int sc_magic;
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#endif
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};
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#endif /* _KERNEL */
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#if defined(__minix)
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__BEGIN_DECLS
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int sigreturn(struct sigcontext *_scp);
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__END_DECLS
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#endif /* defined(__minix) */
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#endif /* _NETBSD_SOURCE */
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#endif /* !_I386_SIGNAL_H_ */
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